diff --git a/src/oplog/oplog-index.js b/src/oplog/oplog-index.js
index 68509a0..8fd67b0 100644
--- a/src/oplog/oplog-index.js
+++ b/src/oplog/oplog-index.js
@@ -75,9 +75,10 @@ const OplogIndex = async ({ logHeads, entryStorage, headsStorage, indexStorage,
     /* 4. Add missing entries to the index (=to the log) */
     for (const hash of hashes) {
       await _index.put(hash, true)
-      const bytes = await getBytes(hash)
       /* 5. Add new entry to entries (for pinning) */
-      await _entries.put(hash, bytes)
+      if (_entries.persist) {
+        await _entries.persist(hash)
+      }
     }
   }
 
diff --git a/src/storage/composed.js b/src/storage/composed.js
index 91b9b8d..5c35309 100644
--- a/src/storage/composed.js
+++ b/src/storage/composed.js
@@ -114,6 +114,16 @@ const ComposedStorage = async (storage1, storage2) => {
     await storage2.clear()
   }
 
+  const persist = async (hash) => {
+    if (storage1.persist) {
+      await storage1.persist(hash)
+    }
+
+    if (storage2.persist) {
+      await storage2.persist(hash)
+    }
+  }
+
   /**
    * Calls close on each of the composed storages.
    * @function
@@ -129,6 +139,7 @@ const ComposedStorage = async (storage1, storage2) => {
     put,
     get,
     del,
+    persist,
     iterator,
     merge,
     clear,
diff --git a/src/storage/ipfs-block.js b/src/storage/ipfs-block.js
index a1c4acc..c0b823b 100644
--- a/src/storage/ipfs-block.js
+++ b/src/storage/ipfs-block.js
@@ -41,9 +41,7 @@ const IPFSBlockStorage = async ({ ipfs, pin, timeout } = {}) => {
     const { signal } = new TimeoutController(timeout || DefaultTimeout)
     await ipfs.blockstore.put(cid, data, { signal })
 
-    if (pin && !(await ipfs.pins.isPinned(cid))) {
-      await drain(ipfs.pins.add(cid))
-    }
+    await persist(hash)
   }
 
   const del = async (hash) => {}
@@ -65,6 +63,13 @@ const IPFSBlockStorage = async ({ ipfs, pin, timeout } = {}) => {
     }
   }
 
+  const persist = async (hash) => {
+    const cid = CID.parse(hash, base58btc)
+    if (pin && !(await ipfs.pins.isPinned(cid))) {
+      await drain(ipfs.pins.add(cid))
+    }
+  }
+
   const iterator = async function * () {}
 
   const merge = async (other) => {}
@@ -77,6 +82,7 @@ const IPFSBlockStorage = async ({ ipfs, pin, timeout } = {}) => {
     put,
     del,
     get,
+    persist,
     iterator,
     merge,
     clear,